Function cleanup

isolate.c:1082–1093

}

static void
cleanup(void)
{
  if (!lock_box(false, true))
    msg("Nothing to do -- box did not exist\n");
  else
    {
      msg("Deleting sandbox\n");
      do_cleanup();
      lock_remove();
    }
}

static void
setup_pipe(int *fds, int nonblocking)